{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "In contrast , doses of 1 mg / kg BN 52021 given 30 min before or 10 mg / kg administered 5 min before i . v . injection of bupivacaine were ineffective ."}
{"Chemical": ["BN 52021", "bupivacaine"], "Disease": []}